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Updated: May 15, 2026

Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model

Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model

Published on: May 23, 2018

Continuously variable, electrically addressed beam splitter based on vanadium dioxide.

Guy-Germain Allogho¹, Habib Hamam, Gisia Beydaghyan

¹Thin Films and Photonics Research Group (GCMP), Department of Physics and Astronomy, Université de Moncton, Moncton, New Brunswick E1A 3E9, Canada.

|January 15, 2013

Summary

This summary is machine-generated.

This study introduces a vanadium dioxide (VO(2)) beam splitter with electrically controlled, continuously variable splitting ratios. This optical device offers tunable transmission and reflection for diverse applications.

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Area of Science:

Materials Science
Optics and Photonics
Electrical Engineering

Background:

Vanadium dioxide (VO(2)) exhibits a metal-insulator transition with temperature.
Optical beam splitters are crucial components in various photonic systems.
Achieving continuously variable splitting ratios electronically is a significant challenge.

Purpose of the Study:

To develop an electrically addressable beam splitter utilizing VO(2).
To demonstrate continuously tunable splitting ratios over a wide dynamic range.
To characterize the performance of the VO(2) beam splitter under various optical conditions.

Main Methods:

Fabrication of a thin VO(2) layer for optical modulation.
Electrical control of temperature to tune VO(2) properties.
Characterization of transmission and reflection across a broad wavelength range (400-2000 nm).
Evaluation under different incidence angles and polarizations (s- and p-).

Main Results:

Successful implementation of an electrically tunable beam splitter.
Demonstration of continuously variable splitting ratios spanning four orders of magnitude.
Comprehensive characterization across multiple optical parameters.

Conclusions:

VO(2) is a viable material for creating advanced, electrically controlled optical beam splitters.
The developed device offers unprecedented tunability for optical signal processing.
This technology has potential applications in adaptive optics and optical communications.